Analysis

  • max time kernel
    103s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    31-07-2020 10:26

General

  • Target

    6ebc441b966301fb0df9e020409349b4.exe

  • Size

    804KB

  • MD5

    6ebc441b966301fb0df9e020409349b4

  • SHA1

    0e241c16dfc4b0e3b918c86a0ae39bdaff7fd81f

  • SHA256

    286c2eb8755215619d8cb48cc884091251729d5925b74444fe3b62c2c1a5acb5

  • SHA512

    9d498a7db1b3abfd4ea06ded88bc9cf245b7a6bd7dcbf97612a525350291f2c616381b54c055afb7bc3e15c3b6103fd49fdb18c69d6fd38fca018c5976728270

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.07.31 - 10:26:15 GMT Bot_ID: 664A9041-4AC4-46F3-B3DC-87DB4D57890E_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: GOHCSFBB - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (730 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Contains code to disable Windows Defender 2 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Loads dropped DLL 15 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 4 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ebc441b966301fb0df9e020409349b4.exe
    "C:\Users\Admin\AppData\Local\Temp\6ebc441b966301fb0df9e020409349b4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe
      "C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe
        "C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Users\Admin\AppData\Local\Temp\ac.exe
          "C:\Users\Admin\AppData\Local\Temp\ac.exe"
          4⤵
          • Executes dropped EXE
          PID:3856
        • C:\Users\Admin\AppData\Local\Temp\rc.exe
          "C:\Users\Admin\AppData\Local\Temp\rc.exe"
          4⤵
          • Executes dropped EXE
          PID:3492
        • C:\Users\Admin\AppData\Local\Temp\ds2.exe
          "C:\Users\Admin\AppData\Local\Temp\ds2.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1652
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 956
            5⤵
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3236
        • C:\Users\Admin\AppData\Local\Temp\ds1.exe
          "C:\Users\Admin\AppData\Local\Temp\ds1.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 956
            5⤵
            • Drops file in Windows directory
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1604
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "POvnsqt.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1528
          • C:\Windows\SysWOW64\timeout.exe
            C:\Windows\system32\timeout.exe 3
            5⤵
            • Delays execution with timeout.exe
            PID:2432
    • C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe
      "C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe
        "C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:4036
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 4036 & erase C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe & RD /S /Q C:\\ProgramData\\205642378413345\\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2020
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /pid 4036
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1012
    • C:\Users\Admin\AppData\Local\Temp\6ebc441b966301fb0df9e020409349b4.exe
      "C:\Users\Admin\AppData\Local\Temp\6ebc441b966301fb0df9e020409349b4.exe"
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Users\Admin\AppData\Local\Temp\zTkUsfmOzZ.exe
        "C:\Users\Admin\AppData\Local\Temp\zTkUsfmOzZ.exe"
        3⤵
        • Executes dropped EXE
        PID:2636
      • C:\Users\Admin\AppData\Local\Temp\BgjGTXOHLB.exe
        "C:\Users\Admin\AppData\Local\Temp\BgjGTXOHLB.exe"
        3⤵
        • Executes dropped EXE
        PID:2820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 1160
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4060
      • C:\Users\Admin\AppData\Local\Temp\7we2KHe8qk.exe
        "C:\Users\Admin\AppData\Local\Temp\7we2KHe8qk.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 956
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3840
      • C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe
        "C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:496
        • C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          • Windows security modification
          PID:1136
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "powershell" Get-MpPreference -verbose
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3440
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\6ebc441b966301fb0df9e020409349b4.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3424
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\WER\Temp\WERA8ED.tmp.WERInternalMetadata.xml
  • C:\ProgramData\Microsoft\Windows\WER\Temp\WERA8ED.tmp.WERInternalMetadata.xml
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CFE86DBBE02D859DC92F1E17E0574EE8_46766FC45507C0B9E264E4C18BC7288B
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CFE86DBBE02D859DC92F1E17E0574EE8_46766FC45507C0B9E264E4C18BC7288B
  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1Yo1uoKw59.exe.log
  • C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe
  • C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe
  • C:\Users\Admin\AppData\Local\Temp\1Yo1uoKw59.exe
  • C:\Users\Admin\AppData\Local\Temp\7we2KHe8qk.exe
  • C:\Users\Admin\AppData\Local\Temp\7we2KHe8qk.exe
  • C:\Users\Admin\AppData\Local\Temp\BgjGTXOHLB.exe
  • C:\Users\Admin\AppData\Local\Temp\BgjGTXOHLB.exe
  • C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe
  • C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe
  • C:\Users\Admin\AppData\Local\Temp\Ofdsnswq.exe
  • C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe
  • C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe
  • C:\Users\Admin\AppData\Local\Temp\POvnsqt.exe
  • C:\Users\Admin\AppData\Local\Temp\ac.exe
  • C:\Users\Admin\AppData\Local\Temp\ac.exe
  • C:\Users\Admin\AppData\Local\Temp\ds1.exe
  • C:\Users\Admin\AppData\Local\Temp\ds1.exe
  • C:\Users\Admin\AppData\Local\Temp\ds2.exe
  • C:\Users\Admin\AppData\Local\Temp\ds2.exe
  • C:\Users\Admin\AppData\Local\Temp\rc.exe
  • C:\Users\Admin\AppData\Local\Temp\rc.exe
  • C:\Users\Admin\AppData\Local\Temp\zTkUsfmOzZ.exe
  • C:\Users\Admin\AppData\Local\Temp\zTkUsfmOzZ.exe
  • \ProgramData\mozglue.dll
  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\sqlite3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll
    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
  • \Users\Admin\AppData\LocalLow\sqlite3.dll
  • \Users\Admin\AppData\Local\Temp\ED70460B\mozglue.dll
  • \Users\Admin\AppData\Local\Temp\ED70460B\msvcp140.dll
  • \Users\Admin\AppData\Local\Temp\ED70460B\nss3.dll
    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\ED70460B\vcruntime140.dll
  • memory/496-73-0x0000000000000000-mapping.dmp
  • memory/676-77-0x0000000000000000-mapping.dmp
  • memory/1012-48-0x0000000000000000-mapping.dmp
  • memory/1136-129-0x0000000000403BEE-mapping.dmp
  • memory/1136-126-0x0000000000400000-0x0000000000408000-memory.dmp
    Filesize

    32KB

  • memory/1528-62-0x0000000000000000-mapping.dmp
  • memory/1604-79-0x0000000004F60000-0x0000000004F61000-memory.dmp
    Filesize

    4KB

  • memory/1604-101-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

  • memory/1652-94-0x0000000000000000-mapping.dmp
  • memory/1652-80-0x0000000000000000-mapping.dmp
  • memory/1652-92-0x0000000000000000-mapping.dmp
  • memory/1652-90-0x0000000000000000-mapping.dmp
  • memory/1652-95-0x0000000000000000-mapping.dmp
  • memory/1652-88-0x0000000000000000-mapping.dmp
  • memory/1652-86-0x0000000000000000-mapping.dmp
  • memory/1652-84-0x0000000000000000-mapping.dmp
  • memory/1652-97-0x0000000000000000-mapping.dmp
  • memory/1652-82-0x0000000000000000-mapping.dmp
  • memory/1652-56-0x0000000000000000-mapping.dmp
  • memory/1828-98-0x0000000000000000-mapping.dmp
  • memory/1828-91-0x0000000000000000-mapping.dmp
  • memory/1828-83-0x0000000000000000-mapping.dmp
  • memory/1828-81-0x0000000000000000-mapping.dmp
  • memory/1828-96-0x0000000000000000-mapping.dmp
  • memory/1828-85-0x0000000000000000-mapping.dmp
  • memory/1828-59-0x0000000000000000-mapping.dmp
  • memory/1828-87-0x0000000000000000-mapping.dmp
  • memory/1828-99-0x0000000000000000-mapping.dmp
  • memory/1828-89-0x0000000000000000-mapping.dmp
  • memory/1828-93-0x0000000000000000-mapping.dmp
  • memory/2020-40-0x0000000000000000-mapping.dmp
  • memory/2432-63-0x0000000000000000-mapping.dmp
  • memory/2636-64-0x0000000000000000-mapping.dmp
  • memory/2820-123-0x0000000000000000-mapping.dmp
  • memory/2820-67-0x0000000000000000-mapping.dmp
  • memory/2820-128-0x0000000000000000-mapping.dmp
  • memory/2820-125-0x0000000000000000-mapping.dmp
  • memory/2820-121-0x0000000000000000-mapping.dmp
  • memory/2820-119-0x0000000000000000-mapping.dmp
  • memory/2820-117-0x0000000000000000-mapping.dmp
  • memory/2820-115-0x0000000000000000-mapping.dmp
  • memory/2820-114-0x0000000000000000-mapping.dmp
  • memory/2892-12-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/2892-14-0x000000000043FA98-mapping.dmp
  • memory/2892-18-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/3016-111-0x0000000000000000-mapping.dmp
  • memory/3016-109-0x0000000000000000-mapping.dmp
  • memory/3016-110-0x0000000000000000-mapping.dmp
  • memory/3016-70-0x0000000000000000-mapping.dmp
  • memory/3016-112-0x0000000000000000-mapping.dmp
  • memory/3016-113-0x0000000000000000-mapping.dmp
  • memory/3016-124-0x0000000000000000-mapping.dmp
  • memory/3016-116-0x0000000000000000-mapping.dmp
  • memory/3016-122-0x0000000000000000-mapping.dmp
  • memory/3016-118-0x0000000000000000-mapping.dmp
  • memory/3016-120-0x0000000000000000-mapping.dmp
  • memory/3236-78-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/3236-100-0x0000000005570000-0x0000000005571000-memory.dmp
    Filesize

    4KB

  • memory/3424-74-0x0000000000000000-mapping.dmp
  • memory/3440-133-0x0000000000000000-mapping.dmp
  • memory/3492-53-0x0000000000000000-mapping.dmp
  • memory/3508-15-0x000000000041A684-mapping.dmp
  • memory/3508-13-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/3508-17-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/3840-127-0x0000000005410000-0x0000000005411000-memory.dmp
    Filesize

    4KB

  • memory/3840-108-0x0000000005210000-0x0000000005211000-memory.dmp
    Filesize

    4KB

  • memory/3840-106-0x0000000004E10000-0x0000000004E11000-memory.dmp
    Filesize

    4KB

  • memory/3848-2-0x0000000000000000-mapping.dmp
  • memory/3856-50-0x0000000000000000-mapping.dmp
  • memory/3928-6-0x0000000000000000-mapping.dmp
  • memory/4036-22-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/4036-20-0x0000000000417A8B-mapping.dmp
  • memory/4036-19-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/4060-130-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/4060-107-0x00000000043C0000-0x00000000043C1000-memory.dmp
    Filesize

    4KB